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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
finally learning the importance of seating depth
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<blockquote data-quote="FURMAN" data-source="post: 1734468" data-attributes="member: 26535"><p>Glad you figured it out. Some still refuse to believe. It is NOT SOME bullets. It is NOT SOME barrels. I have done load development in 60 ish barrels with more bullets than I can count and every single one of them has seen relatively huge accuracy changes with seating depth. I am almost to the point of not even bothering telling people. Bergers test does not always work because most seating depth tunes are not as gross as they suggest. I can not even figure out why some don't believe it. I guess if you are ok with 1 moa it might not matter?</p><p></p><p>As far as seating depth testing before powder. I have done it several times. It is a waste of time. Several times I have found the bullet does not have a seating depth preference. The bullet has a seating depth preference at a certain powder charge(velocity). Meaning it may like 40 off at 2950fps but prefer a different seating depth at 3050fps. Powder charge is a gross adjustment while seating depth testing is fine tuning. You can argue this until you are blue in the face. I have targets that prove it.</p></blockquote><p></p>
[QUOTE="FURMAN, post: 1734468, member: 26535"] Glad you figured it out. Some still refuse to believe. It is NOT SOME bullets. It is NOT SOME barrels. I have done load development in 60 ish barrels with more bullets than I can count and every single one of them has seen relatively huge accuracy changes with seating depth. I am almost to the point of not even bothering telling people. Bergers test does not always work because most seating depth tunes are not as gross as they suggest. I can not even figure out why some don't believe it. I guess if you are ok with 1 moa it might not matter? As far as seating depth testing before powder. I have done it several times. It is a waste of time. Several times I have found the bullet does not have a seating depth preference. The bullet has a seating depth preference at a certain powder charge(velocity). Meaning it may like 40 off at 2950fps but prefer a different seating depth at 3050fps. Powder charge is a gross adjustment while seating depth testing is fine tuning. You can argue this until you are blue in the face. I have targets that prove it. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
finally learning the importance of seating depth
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